A. Most amphibians exchange respiratory gases with in the larval stage, and in adulthood.
b. Most amphibians have a moist skin, which helps to draw oxygen through the
skin. This kind of respiration is called . They can also respire through the buccal cavity. This is called .
c. List at least two structural changes that assisted with the ventilation of lungs

there is no

explanation:

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.

human-caused climate hope this